[DevTools] Various tweaks to inspector_protocol.

third_party/WebKit/Source/core/inspector/inspector_protocol_config.json

 {
     "protocol": {
         "path": "browser_protocol.json",
         "package": "core/inspector/protocol",
         "output": "inspector/protocol",
-        "namespace": ["blink", "protocol"]
+        "namespace": ["blink", "protocol"],
+        "export_macro": "CORE_EXPORT",
+        "export_header": "core/CoreExport.h"
     },
 
     "imported": {
         "path": "../../platform/v8_inspector/js_protocol.json",
         "package": "platform/v8_inspector/public/protocol",
         "to_imported_string": "toV8InspectorStringView(%s)",
         "from_imported_string": "toCoreString(%s)",
         "namespace": ["v8_inspector", "protocol"]
     },
 
     "lib": {
         "package": "core/inspector/protocol",
         "output": "inspector/protocol",
         "string_header": "core/inspector/V8InspectorString.h",
-        "platform_header": "core/inspector/ProtocolPlatform.h"
-    },
-
-    "class_export": {
-        "macro": "CORE_EXPORT",
-        "header": "core/CoreExport.h"
+        "platform_header": "core/inspector/ProtocolPlatform.h",
+        "export_macro": "CORE_EXPORT",
+        "export_header": "core/CoreExport.h"
     }
 }